Amtech I3666 – 4 Piece Spark Plug Thread Repair Kit | Hardened Carbon Steel | Rethreading Tool for M10, M12, M14 & M18 Sizes | Ideal for Cars, Motorcycles & Garden Machinery. 🛠️Why Choose Amtech?. Made fromhardened carbon steel, this repair kit is ideal forre-tapping spark plug holes, removingcarbon deposits, andoverhauling aluminium cylinder heads.
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